Tube-number record
3EJ7
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BrandSylvania
ClassPentode
BaseNoval (B9A)
Filament3.4 V @ 600 mA
Construction
Primary TypePentode
EnvelopeT-6 1/2
SectionsSingle
Filament / Heater
Heater NotesSeries operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 2 Voltage250 V
Cathode Current25 mA
Audio Performance
Key Features
- High transconductance
- Sharp-cutoff
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 200 V | 15000 | 350000 | 60 | 10 mA |
Application Notes
Designed for service as IF amplifiers in series string operation.
Datasheets
Datasheet: 3EJ7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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